[flaviu2]

Sure, but that is only helpful if you remember that the site had previously worked before. Otherwise, it's just like your first time visiting it.

[jessaustin]

Yes it would be nice if the browser prompted more suspicion in those cases when a self-signed cert changes than when one is simply used for the first time. (Theoretically the changing of a regular CA-signed cert shouldn't prompt any suspicion, but I wonder...)